Definition of resol in US English:

resol

(also resole)

noun

Chemistry
  • Any of various resins, generally soluble in water or alcohol, formed as the first stage in phenol-aldehyde copolymerizations and often prepared as precondensates in the manufacture of plastics.

Origin

Late 19th century (in an earlier sense). In sense 1 probably from Swedish resol, perhaps via German Resol.

Pronunciation

resol

/ˈrɛzɒl/